Merge pull request #77 from jmirabel/refactoring

.travis.yml

cmake

include/hpp/fcl/mesh_loader/assimp.h

src/BVH/BVH_model.cpp

src/mesh_loader/assimp.cpp

src/narrowphase/gjk.cpp

test/CMakeLists.txt

test/collision.cpp

test/geometric_shapes.cpp

test/obb.cpp

test/utility.cpp

test/utility.h